Base | Representation |
---|---|
bin | 111001011101… |
… | …0110110001000 |
3 | 2002200112100100 |
4 | 1302322312020 |
5 | 30203003243 |
6 | 2553405400 |
7 | 514030203 |
oct | 162726610 |
9 | 62615310 |
10 | 30125448 |
11 | 16006771 |
12 | a109860 |
13 | 631a112 |
14 | 400293a |
15 | 29a10d3 |
hex | 1cbad88 |
30125448 has 48 divisors (see below), whose sum is σ = 81935100. Its totient is φ = 9999360.
The previous prime is 30125429. The next prime is 30125453. The reversal of 30125448 is 84452103.
It can be written as a sum of positive squares in 2 ways, for example, as 30008484 + 116964 = 5478^2 + 342^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19488 + ... + 20976.
Almost surely, 230125448 is an apocalyptic number.
It is an amenable number.
30125448 is an abundant number, since it is smaller than the sum of its proper divisors (51809652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30125448 is a wasteful number, since it uses less digits than its factorization.
30125448 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1782 (or 1775 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 30125448 is about 5488.6654115550. The cubic root of 30125448 is about 311.1557550824.
The spelling of 30125448 in words is "thirty million, one hundred twenty-five thousand, four hundred forty-eight".
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